326225013 has 4 divisors (see below), whose sum is σ = 434966688. Its totient is φ = 217483340.

The previous prime is 326224993. The next prime is 326225021. The reversal of 326225013 is 310522623.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310522623 = 3 ⋅103507541.

It is a cyclic number.

It is not a de Polignac number, because 326225013 - 2⁶ = 326224949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326225023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54370833 + ... + 54370838.

It is an arithmetic number, because the mean of its divisors is an integer number (108741672).

Almost surely, 2^326225013 is an apocalyptic number.

It is an amenable number.

326225013 is a deficient number, since it is larger than the sum of its proper divisors (108741675).

326225013 is a wasteful number, since it uses less digits than its factorization.

326225013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108741674.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 326225013 is about 18061.7001691424. The cubic root of 326225013 is about 688.3971849432.

Adding to 326225013 its reverse (310522623), we get a palindrome (636747636).

The spelling of 326225013 in words is "three hundred twenty-six million, two hundred twenty-five thousand, thirteen".